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WorksheetsDNA and RNA
Total questions: 22
Worksheet time: 44mins
Name
Class
Date
1.
I am single stranded.
a)
DNA
b)
RNA
c)
Both DNA and RNA
2.
I am found ONLY in the nucleus of eukaryotic cells.
a)
DNA
b)
RNA
c)
Both DNA and RNA
3.
I am a nucleic acid.
a)
DNA
b)
RNA
c)
Both DNA and RNA
4.
I am arranged as a double helix or "twisted ladder."
a)
Both DNA and RNA
b)
DNA
c)
RNA
5.
I have the sugar ribose.
a)
RNA
b)
DNA
c)
Both DNA and RNA
6.
I have the sugar deoxyribose.
a)
RNA
b)
DNA
c)
Both DNA and RNA
7.
I include the bases guanine, cytosine, and adenine.
a)
DNA
b)
RNA
c)
Both DNA and RNA
8.
In eukaryotic cells, I travel out of the nucleus to a ribosome.
a)
Both DNA and RNA
b)
DNA
c)
RNA
9.
I have the base thymine.
a)
Both DNA and RNA
b)
RNA
c)
DNA
10.
I have the base uracil.
a)
RNA
b)
DNA
c)
Both DNA and RNA
11.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
12.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
13.
Which of the following units are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
14.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
15.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
16.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
17.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
18.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
19.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
20.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
21.
The following picture must be
a)
DNA because it's double stranded
b)
RNA because it's single stranded
c)
DNA because it's single stranded
d)
RNA because it's double stranded
22.
What does this picture represent?
a)
amino acid
b)
base pairing
c)
nucleotide
d)
the DNA molecule
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